1. Remove the cargo compartment light. (See CARGO COMPARTMENT LIGHT REMOVAL/INSTALLATION)
2. Inspect for continuity between the cargo compartment light terminals using an ohmmeter.


Cargo compartment light removal/installation
Cargo compartment light switch inspectionMazda 6 Service Manual: Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/flashes,
the system may have a malfunction. Contact an Authorized Mazda Dealer to have your
vehicle inspected.
...
Mazda 6 Service Manual: On-board diagnostic test
DTCs Reading Procedure
1. Perform the necessary vehicle preparation and visual inspection.
2. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located as
shown in the figure.
3. Retrieve DTCs by WDS or equivalent.
Pending Trouble Code Access Procedure
1. Perform the necessary ...